JP3205382B2 - Tire bead transfer equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the transfer of tire beads.
Relates to apparatus, and more particularly a filler with tire bead from the bead stock unit on the dolly comprising stacked plural stages through the separator, automatically taken while separating each the tire bead and the separator tire forming a tire bead The present invention relates to a tire bead transfer device which supplies a tire bead loader to a machine-side bead loader and sequentially moves an empty separator to an empty separator accommodating position on a truck to load the tire bead.

[0002]

2. Description of the Related Art Conventionally, as a method of transferring an unvulcanized filler-filled tire bead formed in advance according to the type of tire to a tire forming machine, for example, Japanese Unexamined Patent Publication No. Sho 59-1
As disclosed in Japanese Patent No. 15830, a ring-shaped uncured filler-filled tire bead is hung at a predetermined interval on a holding means, and the hung tire bead is suction-held. A method in which the tire beads are taken out one by one by means and taken out, moved to the molding machine side and transferred, and in addition, a tire bead with a filler in an unvulcanized state is stacked and taken out one by one from the upper side to form a molding machine. There is known a method of moving to the side and transferring.

However, in such a conventional method,
It takes a lot of trouble and time to make the above-mentioned tire bead with filler stocked in a certain place,
The tire bead with filler is unvulcanized,
As the height of the filler tends to increase as the performance of the tire increases, the shape tends to be deformed, and there is a problem that tire beads come into close contact with each other. However, there have been problems in quality such as deformation or scratching of the bead, and a problem in productivity due to trouble.

For this reason, recently, in order to prevent the tire beads from sticking together and to maintain the filler shape, unvulcanized tire beads with filler are placed one by one on an umbrella-shaped separator. And a method of stacking them in a multi-tiered manner.

[0005]

However, the work of taking out the tire bead with filler placed on such a separator, discharging the separator and transferring the tire bead to the tire forming machine side is, Again, since the transfer work was performed by an operator, much labor and time were required, the work efficiency was extremely poor, and there was a problem that productivity could not be improved.

The present invention has been devised in view of such a conventional problem, and has a first transfer device dedicated to supplying a tire bead to a bead loader of a tire forming machine, and a truck which adsorbs and holds a separator. By using the dedicated second transfer device for sequentially moving and loading the empty separator accommodation position on the upper side, the supply operation of the tire beads and the operation of accommodating the empty separator can be performed in parallel, thereby reducing the working time. It is an object of the present invention to provide a tire bead transfer device that can be shortened, and that can be manufactured at low cost and can improve productivity and reliability.

[0007]

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, the present invention sandwiches a movable bogie having a bead stock portion in which a plurality of tire beads are stacked via a separator, and has a bead on one side thereof. From the top of the stock section,
A first transfer device that grips only the tire bead and supplies the tire bead to the bead loader of the molding machine is provided, and the other side portion adsorbs and holds the separator from which the tire bead has been taken away, and moves to the empty separator accommodating position on the bogie. A second transfer device for sequentially moving and loading is provided, and the first transfer device includes:
Vertical axis unit movably installed on a horizontal rail
A guide member that can move up and down is provided on the guide rail of
The guide member is provided with a transfer hand that can swing through an arm, the transfer hand includes an engagement holding unit that holds a tire bead that is slidable in a radial direction, and a tire bead that is held by the engagement holding unit. When holding, a separator separating means for pressing the separator downward, the second transfer device,
Vertical axis unit movably installed on a horizontal rail
A guide member that can move up and down is provided on the guide rail of
The gist is that a transfer hand is provided on the guide member via an arm, and the transfer hand is provided with suction holding means for sucking and holding at least the separator.

[0008]

According to the present invention, the transfer hand of the first transfer device is provided from the upper side of the bead stock portion, which is constructed as described above and is formed by sequentially stacking tire beads on a movable carriage via a separator. The tire bead alone is gripped and lifted, moved to the bead loader on the molding machine side and supplied to the bead loader, and the separator from which the tire bead was removed is suction-held by the transfer hand of the second transfer device, and the empty space on the bogie is removed. The tires are sequentially moved to the separator accommodating position and stacked, and the transfer hand of the first transfer device and the transfer hand of the second transfer device are alternately operated to supply the tire beads to the bead loader and to separate the separators from the empty separators. Since it is loaded at the storage position, the operation of supplying the tire beads and the operation of storing the empty separator can be performed in parallel,
This can reduce the working time,
It is not necessary to equip two sets of the same device with full functions to transfer two beads for one tire, and only one set of hands with separated functions is required. Can be increased.

[0009]

Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 shows a side view of a tire bead transfer device at a bead transfer position embodying the present invention,
In this tire bead transfer device, as shown in FIG. 1, a rail 2 is installed horizontally on a base 1, and the horizontal rail
2 on the guide 3 and the horizontal supplies tire bead W to bead loader molding machine (not shown) side via the driving motor 4
Transfer device 5 that can move in the direction, and an empty separator accommodating position 7 on a trolley 6 that suctions and holds the separator S.
And a second transfer device 8 for sequentially moving and stacking.

On the base 1, a bead stock portion 9 in which a plurality of tire beads W are stacked via a separator S is provided.
Trolley 6 having an empty separator receiving position 7
The first transfer device 5 reciprocates between a bead stock unit 9 of a truck 6 and a bead loader on a molding machine (not shown). S is sucked and held, moved to the empty separator accommodation position 7, and loaded.

[0011] The, the first transfer device 5 and the second transfer device 8, the on horizontal rails 2, guide 3 and the drive motor 4 a vertical axis unit 1 was horizontally movable through a
1a and 11b are provided . Vertical axis unit 11a,
11b incorporates a ball screw (not shown)
Activation of the vertical guide rail 12 and the lifting / lowering motor M
When the ball screw is rotated by
And a guide member 13 that moves up and down along the
ing. As shown in FIGS. 2 and 3, a ball screw (not shown) is rotated by the activation of a lifting / lowering motor M, which is referred to as lifting / lowering means, on the guide rail 12 provided on the vertical axis unit 11a of the first transfer device 5. Thus, a guide member 13 that moves up and down along the guide rail 12 is attached. A base end of an arm 14 is attached to the guide member 13 in a direction perpendicular to the guide member 13, and a transfer hand 15 of a tire bead W as shown in FIGS. ing.

The transfer hand 15 has a hollow cylindrical picker bracket 17 swingably attached to the distal end side of an arm 14 via a bracket 16. As shown in FIGS. 2 and 3, the picker bracket 17 is swingably mounted via a swing cylinder 18 mounted on the arm 14, and a lift cylinder (air cylinder) 19 is mounted on the picker bracket 17. It is installed in parallel with the vertical axis unit 11a.

The rod 20 of the lifting cylinder 19 is
As shown in FIG. 4, the center block 22 is inserted into the picker bracket 17, and the upper end surface of a center block 22 formed in a hollow cylindrical shape is swingably attached to a tip end thereof via a universal joint 21. As shown in FIGS. 2 and 3, the outer surface of the center block 22
The separator separating means 23 is separated from the elastic member which presses the separator S downward when separating the tire bead W by engaging and holding the tire bead W at a predetermined interval in a circumferential direction and separating the tire bead W from the distal end. A plurality of (at least three or more) separator separation arms 25 having caps 24 attached thereto are provided, and reference numeral 26 denotes an elevating cylinder for elevating the cap 24.

A cam plate 27 is rotatably mounted on the outer peripheral surface of the center block 22 at the distal end side in parallel with the separator separating arm 25. The cam plate 27 is spaced at a predetermined interval in the circumferential direction. In addition, a semicircular guide groove 28 is formed in the radial direction. In the center block 22, a rotary actuator 29 is provided.
A disk-shaped picker base 30 is mounted concentrically with the rotary shaft 29a of the above-mentioned and parallel to the cam plate 27.

In the circumferential direction on the picker base 30,
As shown in FIGS. 2, 5, and 6, a plurality of slide rails 31 are arranged at predetermined intervals in the radial direction, and a plurality (at least three or more) of the distance detection sensors 3 are provided.
2 are provided. The distance detection sensor 32 detects the distance between the picker base 30 and the separator S. In addition, between the plurality of distance detection sensors 32,
A screw 33 as a stopper is attached so that the vertical position can be adjusted, and a rotatable ball 34 is attached to the tip of the screw 33.

A guide groove 28 of the cam plate 27 is formed on the slide rail 31 via a slide base 35.
A plurality of engaging and holding means 37 (engaging claws) for engaging and holding the tire bead W are attached to the slide base 35, respectively.
The engagement holding means 37 is for holding and picking up the inner diameter portion of the tire bead W from the inside, and is provided at least three places in the circumferential direction. At the tip of the rotary shaft 29a of the rotary actuator 29, the cam plate 27 is turned horizontally and
A swivel arm 38 for moving the arm 7 in the radial direction along the slide rail 31 of the picker base 30 is attached.

Next, the second transfer device 8 has substantially the same configuration as the configuration of the tire bead W transfer hand 15 of the first transfer device 5, and only the differences are shown in FIGS. This will be described with reference to FIG. Note that the same components are denoted by the same reference numerals and description thereof will be omitted. As shown in FIG. 7, the transfer hand 15a of the second transfer device 8 is a mechanism for swinging the picker bracket 17 described with reference to FIG. 16 and swing cylinder 18 etc.
It has an L-shaped integral structure and is fixed to the arm 14. The center block 22 is connected to the rod 2 of the cylinder 19 via the universal joint 21 as described in FIG.
0, and is swingably connected to the center block 22 around the center block 22 at predetermined intervals in the circumferential direction.
A plurality of (at least three or more) vacuum arms 42 having vacuum pads 41 (adsorption holding means) for adsorbing and holding the separator S are provided at the end thereof, and the vacuum pads 41 are moved up and down via a lifting cylinder 43. It is configured to be.

At the end of the center block 22, a picker base 44 is attached in parallel with the vacuum arm 42, and the separator S is suction-held by the vacuum pad 41 while being supported by the picker base 44. It is lifted, moved to the separator accommodation position 7, and loaded. Thus, the second
The loading hand 15a of the transfer device 8 is provided with an engagement holding means 37 (engagement means) that grips a tire bead W provided on the loading hand 15 of the first transfer device 5 in order to suck and hold only the empty separator S. And the cam plate 27 and the rotary actuator 29 are not provided.

As shown in FIGS. 8 and 9, the picker base 44 is provided with a distance detecting sensor 45 for the separator S. The distance detecting sensor 45 is provided for the distance between the picker base 44 and the separator S. Is to be detected. A screw 46 as a stopper is mounted between the plurality of distance detection sensors 45 so as to be vertically adjustable, and a rotatable ball 47 is mounted at the tip thereof.

Next, a method of transferring the tire beads W will be described. As shown in FIG. 1, a tire bead W on which an filler Wa is integrally mounted is placed on an umbrella-shaped separator S, and a plurality of such integrated products of the separator S and the tire bead W are stacked on a truck. It is installed in the bead stock section 9 on the upper side. From such a state, the transfer hand 15 of the first transfer device 5 is moved from the upper side of the bead stock unit 9.
Lifting grips only tire bead W by, when supplying to the bead loaders move the bead loaders (not shown) molding machine side, as shown in FIG. 1, the horizontal rails 2
The vertical axis unit 11a placed above is moved to a predetermined position via the guide 3, the drive motor 4, and the like. Then, a lifting motor M and a ball screw (not shown)
Then, the transfer hand 15 is raised along the guide rail 12 to a predetermined position of the bead stock unit 9.

At this time, the transfer hand 15 is pivoted through the swing cylinder 18 so that
As shown at 0, the tire bead W is substantially parallel to the tire bead W located on the upper side of the bead stock portion 9. At the same time, by causing the rod of the lifting cylinder 19 to protrude, the transfer hand 15 is suspended by the universal joint, and can be swung in any direction. From this state, the elevating motor M is started to move the guide member 13 at a high speed to a preset position, and then switch from that position to a low speed to descend. Then, the above state is changed to the picker base 30.
After the distance between the picker base 30 and the separator S is detected by the plurality of distance detection sensors 32 provided to check that the predetermined position has been reached, the downward movement by the elevation motor M is stopped. Next, the upper surface of the separator S is held down by the caps 24 of the plurality of separator separating means 23 attached to the separator separating arm 25 of the transfer hand 15, and after the bead inner diameter described later is gripped, the tire bead W is removed. When picking up, tire bead W
The separator S is surely separated even when the separator S is in close contact.

In this state, when the rotary actuator 29 provided in the center block 22 is driven to rotate and the cam plate 27 is turned in the horizontal direction via the turning arm 38, the engagement holding means 37 is turned on by the cam plate 2.
7, and advances radially along the guide groove 28 to hold the inner side of the tire bead W. The first as above
When lifting and transferring the tire bead W by the transfer hand 15 of the transfer device 5, the transfer hand 15 is moved along the guide rail 12 via the elevating motor M and a ball screw (not shown). After raising the bead stock unit 9 to a predetermined position, retracting the rod of the elevating cylinder 19 and fixing the transfer hand 15 by bringing the upper surface of the center block 22 into contact with the lower end surface of the picker bracket 17, FIG. After pivoting through the swing cylinder 18 as shown in FIG. 5, the vertical axis unit 11a mounted on the rail 2 of the horizontal axis unit is moved to a position indicated by a virtual line via the guide 3, the drive motor 4, and the like. It is moved and transferred to a bead loader (not shown) on the tire forming machine side.

Next, after removing the tire bead W located on the upper side as described above, the vertical axis unit 11b of the transfer hand 15a of the second transfer device 8 is moved via the guide 3, the drive motor 4 and the like. To a predetermined position. Then, the vacuum arm 42 of the transfer hand 15a is raised to a predetermined position of the bead stock unit 9 along the guide rail 12 via the lifting motor M and a ball screw (not shown), and the rod of the lifting cylinder 19 is moved. The transfer hand 15a is made to protrude so as to be swingable.

In this state, the lifting / lowering motor M is started to move the guide member 13 at a high speed to a preset position, and then switch to a low speed from that position to switch the distance detection sensor 4.
By 5, the distance between the picker base 44 and the separator S is detected and lowered to a predetermined position. After confirming that the predetermined position has been reached, the lowering movement by the lifting motor M is stopped. Then, as shown in FIG. 7, the vacuum pad 41 is lowered via the elevating cylinder 43, moved to the separator accommodating position 7, and loaded. In this case, it is preferable that the rod of the lifting cylinder 19 is retracted to lock the transfer hand 15a.

By repeating such an operation, the tire bead W can be automatically supplied to the tire forming machine without manual operation, and the separator S can be automatically discharged. It is. In the above embodiment, the transfer hand 15a of the second transfer device 8 is
Although simplified in comparison with the transfer hand 15 of the first transfer device 5, it is also possible to discharge and separate the separator S using the same transfer hand 15 as the first transfer device 5. It is possible.

[0026]

Since the present invention is constructed as described above, the transfer of the first transfer device from the upper side of the bead stock portion, in which tire beads are sequentially stacked on a movable truck via a separator, is performed. While holding and lifting only the tire bead by the hand, moving to the bead loader on the molding machine side and supplying it to the bead loader, the separator in which the tire bead is taken off is suction-held by the transfer hand of the second transfer device, While sequentially moving and loading the empty separator accommodating position on the trolley, the transfer hand of the first transfer device and the transfer hand of the second transfer device are alternately operated to supply the tire beads to the bead loader, and to separate the separators. Since the tire separator is loaded at the empty separator storage position, the operation of supplying the tire bead and the operation of storing the empty separator can be performed in parallel. Together can be shortened work time, the effect of that can enhance the low cost production and reliability. Further, in the embodiment of the present invention, the bead stock portion and the separator accommodating position are arranged on one cart, but the cart having two bead stock portions and the cart having two separator accommodating positions are installed in series. The same effect can be obtained only by changing the movement stroke of the transfer hand without departing from the basics of the present invention.

[Brief description of the drawings]

FIG. 1 is a front view of a tire bead supply device embodying the present invention.

FIG. 2 is a front view of a transfer hand of the first transfer device embodying the present invention.

FIG. 3 is a plan view of a transfer hand of the first transfer device.

FIG. 4 is a partially enlarged sectional view showing a swing mechanism of a center block of the transfer hand.

FIG. 5 is a partial sectional view of a picker base of the first transfer device to which a distance detection sensor is attached.

FIG. 6 is a sectional view of a stopper portion of the first transfer device.

FIG. 7 is a front view of a transfer hand of a second transfer device embodying the present invention.

FIG. 8 is a partial sectional view of a picker base to which a distance detection sensor of a second transfer device embodying the present invention is attached.

FIG. 9 is a sectional view of a stopper portion of the second transfer device.

FIG. 10 is an explanatory diagram showing an operation state of a transfer hand of the first transfer device.

[Explanation of symbols]

Reference Signs List 5 First transfer device 6 Cart 7 Separator accommodation position 8 Second transfer device 9 Bead stock unit 11a, 11b Vertical axis unit 14 Arm 15a, 15b Loading hand 22 Center block 23 Separator separating means 37 Engagement holding means 41 Vacuum pad (Adsorption holding means) W Tire bead S Separator

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Ikimasa Sato 1-1, Akunoura-cho, Nagasaki-shi, Nagasaki Mitsubishi Heavy Industries, Ltd. Nagasaki Shipyard (72) Inventor Jiro Agawa 1-1, Akunoura-cho, Nagasaki-shi, Nagasaki (56) References JP-A-3-111336 (JP, A) JP-A-2-175235 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) ) B29D 30 / 18,30 / 32 B29D 30 / 48,30 / 50 B65G 59 / 02,59 / 04

Claims (1)

(57) [Claims] 1. A movable bogie having a bead stock portion in which tire beads are stacked in a plurality of stages via a separator, and only one tire bead is gripped on one side thereof from the upper side of the bead stock portion. A first transfer device for supplying the bead loader on the molding machine side is provided, and the separator on which the tire bead has been taken away is suction-held on the other side, and sequentially moved to an empty separator accommodating position on the bogie to be loaded. (2) disposing a transfer device, wherein the first transfer device is provided with a vertically movable guide member on a guide rail of a vertical axis unit movably installed on a horizontal rail ,
The guide member is provided with a transfer hand that can swing through an arm, the transfer hand includes an engagement holding unit that holds a tire bead that is slidable in a radial direction, and a tire bead using the engagement holding unit. And a separator separating means for pressing the separator downward, the second transfer device includes a guide member capable of moving up and down on a guide rail of a vertical axis unit movably installed on a horizontal rail. Is established,
A transfer device for a tire bead, wherein a transfer hand is provided on the guide member via an arm, and the transfer hand is provided with suction holding means for suction holding at least the separator.